Two years ago we predicted that your location aware phone will change your life, and they certainly have. What we didn't predict was how big geo-location check-in apps like Foursquare, Gowalla, and Google Latitude would get. Our question: Are you "checking in?"

Yesterday a jokey web site called Please Rob Me caught a lot of attention for "Listing all those empty homes out there" ready to be pillaged by burglars—pointing out the privacy and security implications of publicly broadcasting your location to the world.

Frankly, if burglars really wanted to hit your home, they'd have plenty of ways to tell if you're there short of using check-in apps, but consider the site a bit of performance art with a message. Either way, it got us wondering: